| Line 200... |
Line 200... |
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if (neorv32_uart0_available() == 0) {
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if (neorv32_uart0_available() == 0) {
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return; // handler cannot output anything if UART0 is not implemented
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return; // handler cannot output anything if UART0 is not implemented
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}
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}
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char tmp;
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// intro
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// intro
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neorv32_uart0_print("<RTE> ");
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neorv32_uart0_print("<RTE> ");
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// cause
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// cause
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register uint32_t trap_cause = neorv32_cpu_csr_read(CSR_MCAUSE);
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register uint32_t trap_cause = neorv32_cpu_csr_read(CSR_MCAUSE);
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tmp = (char)(trap_cause & 0xf);
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register char tmp = (char)(trap_cause & 0xf);
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if (tmp >= 10) {
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if (tmp >= 10) {
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tmp = 'a' + (tmp - 10);
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tmp = 'a' + (tmp - 10);
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}
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}
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else {
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else {
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tmp = '0' + tmp;
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tmp = '0' + tmp;
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| Line 247... |
Line 245... |
case TRAP_CODE_FIRQ_14:
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case TRAP_CODE_FIRQ_14:
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case TRAP_CODE_FIRQ_15: neorv32_uart0_print("Fast interrupt "); neorv32_uart0_putc(tmp); break;
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case TRAP_CODE_FIRQ_15: neorv32_uart0_print("Fast interrupt "); neorv32_uart0_putc(tmp); break;
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default: neorv32_uart0_print("Unknown trap cause: "); __neorv32_rte_print_hex_word(trap_cause); break;
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default: neorv32_uart0_print("Unknown trap cause: "); __neorv32_rte_print_hex_word(trap_cause); break;
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}
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}
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// check cause if bus access fault exception
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if ((trap_cause == TRAP_CODE_I_ACCESS) || (trap_cause == TRAP_CODE_L_ACCESS) || (trap_cause == TRAP_CODE_S_ACCESS)) {
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register uint32_t bus_err = NEORV32_BUSKEEPER.CTRL;
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if (bus_err & (1<<BUSKEEPER_ERR_FLAG)) { // exception caused by bus system?
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if (bus_err & (1<<BUSKEEPER_ERR_TYPE)) {
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neorv32_uart0_print(" [TIMEOUT_ERR]");
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}
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else {
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neorv32_uart0_print(" [DEVICE_ERR]");
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}
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}
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else { // exception was not caused by bus system -> has to be caused by PMP rule violation
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neorv32_uart0_print(" [PMP_ERR]");
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}
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}
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// instruction address
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// instruction address
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neorv32_uart0_print(" @ PC=");
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neorv32_uart0_print(" @ PC=");
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__neorv32_rte_print_hex_word(neorv32_cpu_csr_read(CSR_MSCRATCH)); // rte core stores actual mepc to mscratch
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__neorv32_rte_print_hex_word(neorv32_cpu_csr_read(CSR_MSCRATCH)); // rte core stores original mepc to mscratch
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|
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// additional info
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// additional info
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neorv32_uart0_print(", MTVAL=");
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neorv32_uart0_print(", MTVAL=");
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__neorv32_rte_print_hex_word(neorv32_cpu_csr_read(CSR_MTVAL));
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__neorv32_rte_print_hex_word(neorv32_cpu_csr_read(CSR_MTVAL));
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neorv32_uart0_print(" </RTE>");
|
neorv32_uart0_print(" </RTE>");
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| Line 322... |
Line 336... |
// Z* CPU extensions
|
// Z* CPU extensions
|
tmp = NEORV32_SYSINFO.CPU;
|
tmp = NEORV32_SYSINFO.CPU;
|
if (tmp & (1<<SYSINFO_CPU_ZICSR)) {
|
if (tmp & (1<<SYSINFO_CPU_ZICSR)) {
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neorv32_uart0_printf("Zicsr ");
|
neorv32_uart0_printf("Zicsr ");
|
}
|
}
|
|
if (tmp & (1<<SYSINFO_CPU_ZICNTR)) {
|
|
neorv32_uart0_printf("Zicntr ");
|
|
}
|
|
if (tmp & (1<<SYSINFO_CPU_ZIHPM)) {
|
|
neorv32_uart0_printf("Zihpm ");
|
|
}
|
if (tmp & (1<<SYSINFO_CPU_ZIFENCEI)) {
|
if (tmp & (1<<SYSINFO_CPU_ZIFENCEI)) {
|
neorv32_uart0_printf("Zifencei ");
|
neorv32_uart0_printf("Zifencei ");
|
}
|
}
|
if (tmp & (1<<SYSINFO_CPU_ZMMUL)) {
|
if (tmp & (1<<SYSINFO_CPU_ZMMUL)) {
|
neorv32_uart0_printf("Zmmul ");
|
neorv32_uart0_printf("Zmmul ");
|
}
|
}
|
if (tmp & (1<<SYSINFO_CPU_ZBB)) {
|
|
neorv32_uart0_printf("Zbb ");
|
|
}
|
|
|
|
if (tmp & (1<<SYSINFO_CPU_ZFINX)) {
|
if (tmp & (1<<SYSINFO_CPU_ZFINX)) {
|
neorv32_uart0_printf("Zfinx ");
|
neorv32_uart0_printf("Zfinx ");
|
}
|
}
|
if (tmp & (1<<SYSINFO_CPU_ZXNOCNT)) {
|
|
neorv32_uart0_printf("Zxnocnt(!) ");
|
|
}
|
|
if (tmp & (1<<SYSINFO_CPU_ZXSCNT)) {
|
if (tmp & (1<<SYSINFO_CPU_ZXSCNT)) {
|
neorv32_uart0_printf("Zxscnt(!) ");
|
neorv32_uart0_printf("Zxscnt(!) ");
|
}
|
}
|
|
|
if (tmp & (1<<SYSINFO_CPU_DEBUGMODE)) {
|
if (tmp & (1<<SYSINFO_CPU_DEBUGMODE)) {
|
neorv32_uart0_printf("Debug-Mode ");
|
neorv32_uart0_printf("Debug ");
|
}
|
}
|
|
|
if (tmp & (1<<SYSINFO_CPU_FASTMUL)) {
|
if (tmp & (1<<SYSINFO_CPU_FASTMUL)) {
|
neorv32_uart0_printf("FAST_MUL ");
|
neorv32_uart0_printf("FAST_MUL ");
|
}
|
}
|
if (tmp & (1<<SYSINFO_CPU_FASTSHIFT)) {
|
if (tmp & (1<<SYSINFO_CPU_FASTSHIFT)) {
|
neorv32_uart0_printf("FAST_SHIFT ");
|
neorv32_uart0_printf("FAST_SHIFT ");
|
| Line 362... |
Line 375... |
}
|
}
|
else {
|
else {
|
neorv32_uart0_printf("not implemented\n");
|
neorv32_uart0_printf("not implemented\n");
|
}
|
}
|
|
|
// check hardware performance monitors
|
|
neorv32_uart0_printf("HPM Counters: %u counters, %u-bit wide\n", neorv32_cpu_hpm_get_counters(), neorv32_cpu_hpm_get_size());
|
|
|
|
|
|
// Memory configuration
|
// Memory configuration
|
neorv32_uart0_printf("\n=== << Memory System >> ===\n");
|
neorv32_uart0_printf("\n=== << Memory System >> ===\n");
|
|
|
neorv32_uart0_printf("Boot Config.: Boot ");
|
neorv32_uart0_printf("Boot Config.: Boot ");
|
